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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST25R3916 датащи(PDF) 143 Page - STMicroelectronics |
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ST25R3916 датащи(HTML) 143 Page - STMicroelectronics |
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143 / 157 page  DS12484 Rev 4 143/157 ST25R3916/7 Electrical characteristics 156 5.5 SPI interface characteristics Table 124. SPI characteristics (5 MHz) (1) Operation Symbol Parameter Conditions Min Typ Max Unit General TSCLK SCLK period TSCLK = TSCLKL + TSCLKH -200 - ns TSCLKL SCLK low - 95 - - TSCLKH SCLK high - 95 - - TSSH SPI reset (BSS high) - 100 - - TNCSL BSS falling to SCLK rising First SCLK pulse 25 - - TNCSH SCLK falling to BSS rising Last SCLK pulse 25 - - TDIS Data in setup time - 10 - - TDIH Data in hold time - 10 - - Read TDOD Data out delay Cload ≤ 50 pF, VDD_IO = 1.65 to 3.0 V -80 95 Cload ≤ 50 pF, VDD_IO = 3.0 to 5.5 V -- 70 TDOHZ Data out to high impedance delay Cload ≤ 50 pF - 20 - 1. Evaluated by characterization, not tested in production. Table 125. SPI characteristics (5 MHz < 1 / TSCLK < 10 MHz) (1) Operation Symbol Parameter Conditions Min Typ Max Unit General TSCLK SCLK period TSCLK = TSCLKL + TSCLKH 100 - - ns TSCLKL SCLK low - 40 - - TSCLKH SCLK high - 40 - - TSSH SPI reset (BSS high) - 100 - - TNCSL BSS falling to SCLK rising First SCLK pulse 25 - - TNCSH SCLK falling to BSS rising Last SCLK pulse 25 - - TDIS Data in setup time - 10 - - TDIH Data in hold time - 10 - - Read TDOD Data out delay Cload ≤ 50 pF - 55 70 TDOHZ Data out to high impedance delay Cload ≤ 50 pF - 20 - 1. Evaluated by characterization, not tested in production. |
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